Science Quiz for SSC CHSL 2016

Q1. Acid rain is caused due to pollution of atmosphere by—
(a) oxides of nitrogen and sulphur
(b) oxides of nitrogen and phosphorous
(c) oxides of carbon and nitrogen
(d) oxides of nitrogen and methane

Q2. Why the Earth is having its own atmosphere?
(a) Winds
(b) Clouds
(c) Gravity
(d) Rotation of the Earth

Q3. Motor skills are associated with which part of the brain?
(a) Frontal lobe
(b) Parietal Lobe
(c) Temporal lobe
(d) Occipital Lobe

Q4. Which enzyme is present in all members of the animal kingdom except Protozoa?
(a) Insulin
(b) Pepsin
(c) Renin
(d) Amylase

Q5. At boiling point of liquids , its—
(a) Temperature increases
(b) Atmospheric pressure increases
(c) Temperature remains constant
(d) Vapour pressure decreases

Q6. A level of atmosphere which is composed partly of electrons and positive ions is called—
(a) Troposphere
(b) Ionosphere
(c) Stratosphere
(d) Mesosphere

Q7. The most serious air pollutant causing health hazard is—
(a) Sulphur dioxide
(b) Carbon monoxide
(c) Ozone
(d) Nitrogen oxide

Q8. Helium is added to the oxygen supply of deep sea divers because it is _________
(a) less poisonous than nitrogen
(b) Lighter than nitrogen
(c) Readily miscible with oxygen
(d) less soluble in blood than nitrogen at high pressure

Q9. Terylene is a condensation polymer of ethylene glycol and which acid?
(a) Benzoic Acid
(b) Salicylic acid
(c) Phthalic acid
(d) Terephthalic acid

Q10. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________
(a) Mercury is a metal
(b) Density of mercury is greater than that of water
(c) Cohesion of mercury is greater than its adhesion with glass
(d) Cohesion of water is greater than its adhesion with glass

Q11. Which of the following is not a commercial source of energy?
(a) Coal
(b) Petroleum
(c) Natural Gas
(d) Firewood

Q12. Which of the following is an emergency hormone in humans?
(a) Thyroxine
(b) Insulin
(c) Adrenalin
(d) Progestrone

Q13. Which term is not associated with sound wave?
(a) Hertz
(b) Decibel
(c) Candela
(d) Mach

Q14. Which of the following is the uppermost layer of the atmosphere?
(a) Stratosphere
(b) Mesosphere
(c) Ionosphere
(d) Exosphere

Q15. Webbed neck is a characteristic of—
(a) Down’s syndrome
(b) Turner’s syndrome
(c) Klinefelter’s syndrome
(d) Criduchat syndrome

   
  

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